HelloA weird sensation is called a paresthesia.This can be from a neuropathy, from a pinched nerve, from anxiety, from B vitamin deficiency, liver or kidney problems, diabetes, heavy metals or other causes including autoimmune diseases.Go see an internal medicine doctor for lab testing, exam and diagnosis.OK, so that is an initial answer….Please use reply to expert if you have further questions. When you are ready, please click a positive rating [hopefully excellent]. If you forgot something, come back. I am here daily.